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Auditory Modality Tuning Confirmation

Publishing Venue

The IP.com Prior Art Database

Abstract

In all phases of flight, the crew may wish to be notified when a set of radios has been changed or loses functionality. Currently, the only method for this information is to look down at the flight display messages; this creates unnecessary burden, cursor movement, button clicks, and focus that the pilot must use to get to this information. Auditory Modality Tuning Confirmation (AMTC) utilizes the audio system to output aural alerts upon receiving a non-user-driven event, such as equipment failure, which provides an unambiguous safety benefit to all passengers of the aircraft.

Country

United States

Language

English (United States)

This text was extracted from a PDF file.

This is the abbreviated version, containing approximately
51% of the total text.

Page 01 of 3

Introduction

Flying in a commercial aviation environment often demands a high degree of attention to numerous components in the cockpit. Often, on Multi-Function Displays (MFDs) the radio tuning controls are not prominent due to the screen limitations and popup nature of the controls. Some conditions may occur without human interaction which may need to be brought to the crews attention aside from the radio tuning control display. Most importantly, this publication provides an unambiguous safety benefit to the passengers of the aircraft.

Background

Numerous error conditions occur as a side effect of user-driven actions. However, standard flying practices reinforced by training should sufficiently alert the existence of these user- driven error conditions [1]. The intention of Auditory Modality Tuning Confirmation (AMTC) is to capture other conditions that occur (i.e. equipment failure) which may not gain the crews attention if they were not actively scanning the radio tuning display. This problem is easily solved by an aural-based solution.

Figure 1 Aural message are sent to the headset of the crew

Technical Discussion

The aural tuning message objective centers around an unexpected radio tuning failure which was not caused by the crew. Upon receiving this event, the radio tuning software shall prompt an aural Crew Alerting System (CAS) message to the crew headset or the flight deck speaker system. This publication introduces, but is not limited to, four significant scenarios outlined below:

Page 02 of 3

"AUTOTUNE DISENGAGED"

This aural message occurs when the autopilot is disengaged. This event occurs upon receiving of bad echo data from the navigation radios, placing the Distance Measuring Equipment (DME) radio on hold, or choosing a navigation radio as a Navigation (NAV) source. Although the latter two scenarios are user-driven, the crew may not realize that disengaging autotune is a consequence. These conditions warrant an aural alert to the crew notifying them that attention is needed concerning the autopilot functionality.

Figure 2 Screenshot of Autotune

"TUNING TRANSPONDER FAIL"

This aural message occurs when the transponder has a failure from the radio (independent from the echo check). Currently,...